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barxatty [35]
3 years ago
13

What is the 52nd term of the arithmetic sequence -8, -12, -16?

Mathematics
1 answer:
laiz [17]3 years ago
7 0

Answer: 5

Step-by-step explanation:

your 18th term is equal to 3 and your 52d term is equal to 173.

take 52 and subtract 18 to get 34

take 173 and subtract 3 to get 170

170 / 34 = 5

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The wildflowers at a national park have been decreasing in numbers. There were 1200 wildflowers in the first year that the park
bonufazy [111]

Year      New flowers

1                 1200

2                 300

3                   75

There were 1200 wildflowers in the first year that the park started tracking them. Since then, there have been one fourth as many new flowers each year

Initially there are 1200 flowers and start decreasing by \frac{1}{4}

So first term is 1200 and common ratio is \frac{1}{4}.

Its a geometric sequence so summation becomes

i =1∑ ∞ 1200(\frac{1}{4})^{i-1}

Now we find the sum

We use sum formula

Sum = \frac{a}{1-r}

Where a is the first term , a= 1200

r is the common ratio , r= 1/4

Sum = \frac{1200}{1-(\frac{1}{4})}

Sum = \frac{1200}{\frac{3}{4}}

Sum = 1600 wildflowers

4 0
4 years ago
Solve the following literal equation for r in
grandymaker [24]
400 because I said so and u are asking me is here is the answer
8 0
2 years ago
Help please I'm so confused ​
Sergeu [11.5K]

Answer:

169.12

Step-by-step explanation:

I hope this is correct. First, you want to divide the semi-circle and the rectangle. To find the area of the rectangle, you do 16 x 9 to get 144. To find the area of the semi-circle, you do 3.14x16/2 to get 25.12. Then you want to add 144 and 25.12 to get 169.12. I hope this helps

5 0
3 years ago
A sales person earns $80 for every computer he sells. He earns an additional $250 for every 10 computers he sells that month. Ho
Georgia [21]

Answer

23 computer

Step-by-step explanation:

if he sold 20 computers he would make 2100 which then he would need 240 more dollars to reach his goal and to find the answer you would then divide 240 by 80.

4 0
3 years ago
In a class of 31 pupils, 19 like apples, 15 like oranges and 4
Natalija [7]
34 “pupils” like both apples and oranges
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4 years ago
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